Publicaciones Recientes

Immproving the structural reversibility of LiNiO₂ by incorporation of Cu, an electrochemical and in-situ XRD study.

Miguel A.Martínez-Cruz^aGuadalupeRamos-Sánchez^abMiguelOliver-Tolentino^abHeribertoPfeiffer^cIgnacioGonzález^a

^aUniversidad Autónoma Metropolitana– Iztapalapa, Departamento de Química, 09340 Ciudad de México, Mexico^bCONACYT (Investigador por México) - Universidad Autónoma Metropolitana, Iztapalapa, 09340 Ciudad de México, Mexico^cInstituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito exterior s/n, Cd. Universitaria, Del. Coyoacán C.P., 04510 Ciudad de México, Mexico

Supramolecular Assembly of Nanostructured Conducting Polymer Hydrogels by Hydrotropic Agents for Outstanding Supercapacitive Energy Storage.

José Jarib Alcaraz-Espinoza^a, Guadalupe Ramos-Sánchez^ab, Jhon Harrison Sierra-Uribe^a, and Ignacio González^a

^aUniversidad Autónoma Metropolitana– Iztapalapa, Departamento de Química, 09340 Ciudad de México, Mexico^bDepartamento de Ingeniería de Procesos e Hidráulica Universidad Autónoma Metropolitana, Iztapalapa, CDMX 09340, México

Degradation mechanisms of layered materials (LiCoO₂ and Li₂CuO₂) captured by an EIS-based graphical reconstruction method.

RubenSuarez-Hernandez^aGuadalupeRamos-Sánchez^abcMiguel A.Oliver-Tolentino^abIgnacioGonzález^a1

^aDepartamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, 09340 Mexico City, Mexico^bCONACYT, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, 09340 Mexico City, Mexico^cDepartamento de Ingeniería de Procesos e Hidráulica, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, 09340 Mexico City, Mexico

Effects of Intra-Structural Interactions of Indium Hexacyanoferrate on the Li⁺ and K⁺ Intercalation Potential.

Jhon Harrison Sierra-Uribe¹, Claudia Islas-Vargas¹, Alfredo Guevara-García², M. Oliver-Tolentino², G. Ramos-Sánchez², Marcelo Galván¹ and Ignacio González¹

¹ Universidad Autónoma Metropolitana Iztapalapa, Departamento de Química, CP 09340 México, México² CONACYT-Universidad Autónoma Metropolitana Iztapalapa, Departamento de Química, CP 09340 México, México

Analysis of Stand-Alone Photovoltaic—Marine Current Hybrid System and the Influence on Daily and Seasonal Energy Storage.

Jorge Olmedo-González^1,*, Guadalupe Ramos-Sánchez², Erika Paola Garduño-Ruiz³ and Rosa de Guadalupe González-Huerta

¹ Electrochemistry Laboratory, Instituto Politécnico Nacional-ESIQIE, UPALM, Av. Instituto Politécnico Nacional S/N, Mexico City 07738, Mexico²Chemistry Department, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco 186, Mexico City 09340, Mexico³Instituto de Ingeniería, Universidad Nacional Autónoma de México, Ciudad Universitaria, Building 17, Circuito Exterior S/N, Coyoacán, Mexico City 04510, Mexico^*Authors to whom correspondence should be addressed.

Unraveling the effects on Lithium-Ion cathode performance by cation doping M-Li2CuO2 solid solution samples (M = Mn, Fe and Ni)

M.A. Martínez-Cruz^a, A. Yañez-Aulestia^b , G. Ramos-Sánchez^c* M. Oliver-Tolentino^c*, M. Vera^a , H. Pfeiffer^b*, D. Ramírez-Rosales^d and I. González^a

a.Universidad Autónoma Metropolitana- Iztapalapa, Departamento de Química, 09340, Ciudad de México, Mexico. b.Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito exterior s/n, 04510, Del. Coyoacán, Ciudad de México, México. c. CONACYT- Universidad Autónoma Metropolitana- Iztapalapa, 09340, Ciudad de México, México. d. Instituto Politécnico Nacional-ESFM, Av. IPN S/N, Edif. 9 U.P. Zacatenco, Col. San Pedro Zacatenco, México City 07738, México

A Graphical Approach for Identifying the Limiting Processes in Lithium-Ion Battery Cathode Using Electrochemical Impedance Spectroscopy.

Ruben Suarez-Hernandez¹, Guadalupe Ramos-Sánchez^1,2,3, Ilda O. Santos-Mendoza³, Gregorio Guzmán-González^5,3 and Ignacio González^4,1

¹ Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, 09340 Mexico City, Mexico² CONACYT, Universidad Autónoma Metropolitana-Iztapalapa, 09340 Mexico City, Mexico³ Departamento de Ingeniería de Procesos e Hidráulica, Universidad Autónoma Metropolitana-Iztapalapa, 09340 Mexico City, Mexico⁴ ECS active member.

⁵ Present Address, POLYMAT University of the Basque Country UPV/EHU Jose Mari Korta Center, 20018, Donostia-San Sebastián, Spain.

The Intriguing Nature of Fluorine Doping on Li2CuO2 and the Reasons Behind the Inhibition of Oxygen Evolution

Carlos Juarez-Yescas^a, Miguel Oliver-Tolentino^a,b*, Guadalupe Ramos-Sánchez^a,b*, Marco A. Vera-Ramirez^a , Jorge Olmedo-González^c , Alvaro Ochoa-Calle^a , Arturo Manzo-Robledo^c , Federico González^a and Ignacio González^a

aUniversidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco 186, 09340, Mexico City, Mexico bCONACYT-Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco 186, 09340, Mexico City, MexicocInstituto Politécnico Nacional-ESIQIE, Laboratorio de Electroquímica, UPALM, 07738, GAM, Mexico City, Mexico

Charge Delocalization on BO4– Centers to Improve Conductivity on Single Lithium Ion Conducting Polymer Electrolytes: A Computational/Experimental Approachs

Gregorio Guzman-González, *,†,‡ Guadalupe Ramos-Sanchez, *,†,‡ Luis E. Camacho-Forero,§ and Ignacio Gonzalez‡

^†Departamento de Ingeniería de Procesos e Hidraulica and ́ ‡ Departamento de Química, Universidad Autonoma ́ Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, 09340 Mexico City, Mexico§ Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843, United States

Experimental and Theoretical Investigation on the Origin of the High Intercalation Voltage of K₂Zn₃[Fe(CN)₆]₂ Cathode

Claudia Islas-Vargas,¹ Alfredo Guevara-García,^2,z M. Oliver-Tolentino, ^2,z G. Ramos-Sanchez, ^2,∗ I. González,¹ and Marcelo Galvan¹

¹Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Química, CP 09340, México

²CONACYT-Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Química, CP 09340 México

Electrochemical Characterization of Single Lithium-Ion Conducting Polymer Electrolytes Based on sp³ Boron and Poly(ethylene glycol) Bridges

Gregorio Guzmán-González^†‡§, Hugo J. Ávila-Paredes^†, Ernesto Rivera^§, and Ignacio González*^‡

^†Departamento de Ingeniería de Procesos e Hidráulica and ^‡Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, 09340 Mexico City, Mexico^§ Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Coyoacán, 04510 Mexico City, Mexico

Synthesis of novel hard mesoporous carbons and their applications as anodes for Li and Na ion batteries

V. Velez^a, G. Ramos-Sánchez^b*, B. Lopez^a, L. Lartundo-Rojas^c, I. González^b, L. Sierra^a

a Grupo Ciencias de los Materiales, Sede de Investigación Universitarias (SIU), Universidad de Antioquia, Calle 62 No. 52-C9, Lab 310, Medellín, Colombiab Departamento de Química, Universidad Autónoma Metropolitana – Iztapalapa, 09340, Iztapalapa, CDMX, Mexicoc Centro de Nanociencias y Micro y Nanotecnologías, Instituto Politécnico Nacional, 07738, CDMX, Mexico

Electronic density distribution of Mn–N bonds by a tuning effect through partial replacement of Mn by Co or Ni in a sodium-rich hexacyanoferrate and its influence on the stability as a cathode for Na-ion batteries

M. Oliver-Tolentino,^*a,bM. González M.,^‡b H. Osiry,^b G. Ramos-Sánchez^*‡a and I. González^a

^a Departamento de Química, Universidad Autónoma Metropolitana, Av. San Rafael Atlixco 186, Col. Vicentina, 09340 Ciudad de México, Mexico^bCentro de investigación en Ciencia Aplicada y Tecnología Avanzada, Instituto Politécnico Nacional, Calzada Legaria No. 694, Col. Irrigación, Ciudad de México, 11500, Mexico

High voltage – Improved reversible capacity in Ni+2/+3 modified copper-based cathodes for lithium ion batteries

N.Aguilar-Eseiza^a,G.Ramos-Sánchez^a*,F.González^b,I.González^a

a Departamento de Química, Universidad Autónoma Metropolitana - Iztapalapa, CDMX, Mexicob Departamento de Ingeniería de Procesos e Hidráulica, Universidad Autónoma Metropolitana - Iztapalapa, CDMX, Mexico

Influence of reduced graphene oxides (rGO) at different reduction stages as conductive additive in Li-ion batteries

C. Juarez-Yescas¹, G. Ramos-Sánchez¹ ,I. González¹

1 Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, CP. 09340 Mexico City, Mexico

Influence of reduced graphene oxides (rGO) at different reduction stages as conductive additive in Li-ion batteriesThe importance of graphene as an additive in lithium-ion battery (LIB) composite cathodes has been broadly recognized; however, the graphenic structure can exhibit different structural and chemical...

Polymer electrolytes through functionalization of poly (poly (ethylene glycol) methacrylate) with zwitterionic pendant groups: The role of ion clusters upon conductivityThe present study proposes a complete (pMPS8) and partial (pMPS8-co-PEGDMA) functionalization of poly(poly(ethyleneglycol) methyl ether methacrylate (…

Water effect on sodium mobility in zinc hexacyanoferrate during charge/discharge processes in sodium ion-based batteryThis study discusses the effect of the water removal on the behavior of Na2Zn3[Fe(CN)6]2·xH2O as cathode material for sodium ion-based battery. For co…

Synthesis and characterization of iron − doped Li4Ti5O12 microspheres as anode for lithium-ion batteriesLi4Ti5O12 microspheres and the equivalent iron doped materials, with 0.1 and 0.2 mol of Fe per unit formula, were synthesized by a solvothermal method…

Controlling Li2CuO2 single phase transition to preserve cathode capacity and cyclability in Li-ion batteriesLi2CuO2 is synthesized via a solid-state reaction and its structure and microstructure is characterized using X-Ray Diffraction, Scanning Electron Mic…

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Publicaciones Recientes

Supramolecular Assembly of Nanostructured Conducting Polymer Hydrogels by Hydrotropic Agents for Outstanding Supercapacitive Energy Storage.

Degradation mechanisms of layered materials (LiCoO2 and Li2CuO2) captured by an EIS-based graphical reconstruction method.

A Graphical Approach for Identifying the Limiting Processes in Lithium-Ion Battery Cathode Using Electrochemical Impedance Spectroscopy.

Degradation mechanisms of layered materials (LiCoO₂ and Li₂CuO₂) captured by an EIS-based graphical reconstruction method.